CH408028A - Verfahren zur Herstellung von 4-Formyl-pyrazolonen-(5) mit unsubstituierter 2-Stellung - Google Patents

Verfahren zur Herstellung von 4-Formyl-pyrazolonen-(5) mit unsubstituierter 2-Stellung

Info

Publication number
CH408028A
CH408028A CH392965A CH392965A CH408028A CH 408028 A CH408028 A CH 408028A CH 392965 A CH392965 A CH 392965A CH 392965 A CH392965 A CH 392965A CH 408028 A CH408028 A CH 408028A
Authority
CH
Switzerland
Prior art keywords
pyrazolonen
formyl
unsubstituted
preparation
Prior art date
Application number
CH392965A
Other languages
English (en)
Inventor
Oskar Dr Weissel
Hubertus Dr Psaar
Original Assignee
Bayer Ag
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer Ag filed Critical Bayer Ag
Publication of CH408028A publication Critical patent/CH408028A/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D231/00—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings
    • C07D231/02—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings
    • C07D231/10—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
    • C07D231/14—Heterocyclic compounds containing 1,2-diazole or hydrogenated 1,2-diazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
    • C07D231/18—One oxygen or sulfur atom
    • C07D231/20—One oxygen atom attached in position 3 or 5
    • C07D231/22—One oxygen atom attached in position 3 or 5 with aryl radicals attached to ring nitrogen atoms

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Plural Heterocyclic Compounds (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CH392965A 1958-12-09 1959-10-13 Verfahren zur Herstellung von 4-Formyl-pyrazolonen-(5) mit unsubstituierter 2-Stellung CH408028A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF27222A DE1220858B (de) 1958-12-09 1958-12-09 Verfahren zur Herstellung von N, N-dialkyl- oder N-alkyl-N-aryl-substituierten 4-Aminomethylenpyrazolonen-(5) und von 4-Formyl-pyrazolonen-(5) mit unsubstituierter 2-Stellung

Publications (1)

Publication Number Publication Date
CH408028A true CH408028A (de) 1966-02-28

Family

ID=7092343

Family Applications (2)

Application Number Title Priority Date Filing Date
CH392965A CH408028A (de) 1958-12-09 1959-10-13 Verfahren zur Herstellung von 4-Formyl-pyrazolonen-(5) mit unsubstituierter 2-Stellung
CH7934259A CH407131A (de) 1958-12-09 1959-10-13 Verfahren zur Herstellung von N,N-disubstituierten 4-Aminomethylen-pyrazolonen-(5)

Family Applications After (1)

Application Number Title Priority Date Filing Date
CH7934259A CH407131A (de) 1958-12-09 1959-10-13 Verfahren zur Herstellung von N,N-disubstituierten 4-Aminomethylen-pyrazolonen-(5)

Country Status (3)

Country Link
BE (1) BE583845A (de)
CH (2) CH408028A (de)
DE (1) DE1220858B (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5162528A (en) * 1986-12-17 1992-11-10 Bayer Aktiengesellschaft Herbicidal and fungicidal agents based on substituted pyrazolin-5-one derivatives

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB666578A (en) * 1948-01-10 1952-02-13 Luxema Process for the preparation of derivatives of 1, 2, 3 substituted pyrazolones and derivatives obtained by this process
DE900577C (de) * 1951-10-07 1953-12-28 Boehringer & Soehne Gmbh Verfahren zur Herstellung von 1-Phenyl-2,3-dialkyl-4-formyl-5-pyrazolonen

Also Published As

Publication number Publication date
CH407131A (de) 1966-02-15
BE583845A (fr) 1960-02-15
DE1220858B (de) 1966-07-14

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